:root{--accent:#5b87a5;--accent-dark:#3f6782;--text:#2b2b2b;--muted:#666;--bg:#fff;--soft:#f4f8fb;--maxw:880px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;font-family:"Assistant",Arial,sans-serif;font-size:18px;line-height:1.75;color:var(--text);background:var(--bg)}
a{color:var(--accent-dark)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #f2c200;outline-offset:2px}
.skip{position:absolute;right:-9999px;top:0;background:#000;color:#fff;padding:8px 14px;z-index:100}
.skip:focus{right:8px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* header */
header{position:sticky;top:0;background:rgba(255,255,255,.97);border-bottom:1px solid #e6edf2;z-index:50}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 20px;max-width:1100px;margin:0 auto}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.brand img{width:64px;height:auto}
.brand b{display:block;font-size:22px;white-space:nowrap;color:var(--accent);line-height:1.2}
.brand small{display:block;font-size:15px;color:var(--muted)}
nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;flex-wrap:wrap}
nav a{display:block;white-space:nowrap;padding:6px 9px;text-decoration:none;color:var(--text);border-radius:6px;font-size:17px}
nav a:hover{background:var(--soft);color:var(--accent-dark)}
@media(min-width:821px){.bar{flex-wrap:wrap;justify-content:center;padding-bottom:4px}.brand{width:100%;justify-content:center}nav ul{justify-content:center}}
.menu-btn{display:none;background:none;border:0;font-size:30px;cursor:pointer;color:var(--text);padding:4px 8px}
@media(max-width:820px){
  .menu-btn{display:block}
  nav{display:none;position:absolute;top:100%;right:0;left:0;background:#fff;border-bottom:1px solid #e6edf2}
  nav.open{display:block}
  nav ul{flex-direction:column;padding:8px 20px}
}

/* sections */
section{padding:48px 0;border-bottom:1px solid #eef2f5}
section:nth-of-type(even){background:var(--soft)}
h1,h2{font-weight:700;color:var(--accent);line-height:1.3}
h2{font-size:33px;margin:0 0 20px}
h3{font-size:20px;margin:28px 0 6px;color:var(--accent-dark)}
p{margin:0 0 14px}
.intro{display:flex;gap:32px;align-items:flex-start}
.intro img{width:300px;max-width:100%;border-radius:6px;flex-shrink:0}
@media(max-width:700px){.intro{flex-direction:column}.intro img{width:100%;max-width:360px;margin:0 auto}}
ul.plain{padding-right:20px;margin:0 0 14px}
ul.plain li{margin-bottom:4px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
@media(max-width:700px){.contact-grid{grid-template-columns:1fr}}
.contact-info a{font-size:20px;font-weight:600}
form label{display:block;font-weight:600;margin:12px 0 4px}
form input,form textarea{width:100%;padding:10px 12px;font:inherit;border:1px solid #c9d6e0;border-radius:6px;background:#fff}
form textarea{min-height:110px;resize:vertical}
form button{margin-top:16px;background:var(--accent);color:#fff;border:0;border-radius:6px;padding:12px 28px;font:inherit;font-weight:700;cursor:pointer}
form button:hover{background:var(--accent-dark)}
.note{font-size:15px;color:var(--muted);margin-top:10px}

footer{padding:28px 0;text-align:center;font-size:15px;color:var(--muted)}
footer a{color:var(--muted);margin:0 6px}

/* high contrast */
body.hc,body.hc *{background:#fff!important;color:#000!important;border-color:#000!important}
body.hc a{text-decoration:underline!important}
.a11y-btn{background:none;border:1px solid #c9d6e0;border-radius:6px;padding:2px 10px;font:inherit;font-size:14px;cursor:pointer;color:var(--muted)}
.page{padding:40px 0 60px}
@media(max-width:520px){.brand b{font-size:18px;white-space:normal}.brand small{font-size:13px}.brand img{width:48px}}